Color
Graphite / Black
Humanscale · 1999–Present
Freedom
Minimal-adjustment classic—body weight sets recline so you stop fiddling with knobs.
Bottom line
Freedom is for people who want Diffrient’s weight-sensitive foam chair with almost no knobs. Currently certified to 400 lb, with synchronous arms that move with the back, adjustable seat depth, and a factory Headrest or Task (no headrest) config. Designed for roughly 5'0"–6'4".
Where to buy
Typical prices — new ~$1,399, refurbished ~$650, used ~$350.
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Fit
Set your height and weight once — we'll check this chair and keep the profile for the rest of the site.
Units
Configurations
Available in Headrest and Task.
Spec sheet
- Typical configuration
- Freedom Headrest with synchronous arms
- Era produced
- 1999–Present
- Discontinued
- No
- Approx. MSRP (new)
- $1,399
- Typical refurbished price
- $650
- Typical used price
- $350
- Height range
- 152–193 cm
- Weight capacity
- 181 kg — Currently certified to 400 lb (older materials listed a 300 lb design weight).
- Seat width
- 53 cm
- Seat depth
- 41–47 cm
- Backrest height
- 56 cm
- Seat material
- Fabric + Foam
- Armrest type
- 3D
- Arm adjustability
- Synchronous arms with vertical adjustment; arms move with the back
- Forward tilt
- No
- Lumbar
- Integrated
- Headrest
- Factory
- Cylinder
- Top-activated pneumatic
- Caster stem
- 11mm × 22mm standard
- Frame
- Aluminum + polymer
- Tilt / lock
- Weight-sensitive self-locking recline (body-weight responsive)
Revision matrix & serial tag guide
Serial tag location: Label under the seat; counterbalanced recline + synchronous arms identify Freedom.
| Year | Version | Changes |
|---|---|---|
| 1999 | Original | Niels Diffrient weight-sensitive recline and synchronous armrests; optional headrest. |
| 2010s–2020s | Current | Material updates (incl. ocean plastic story); capacity claims raised to 400 lb on US pages. |
Aftermarket & replacement parts
Compatible cylinder type: Top-activated pneumatic. Caster stem: 11mm × 22mm standard. Headrest availability: Factory.
Spec notes
- Designed for roughly 5'0"–6'4". Current capacity rating is 400 lb.
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